www.lg.com
34UM57
Please read the safety information carefully before using the
product.
IPS LED Monitor (LED Monitor) Model List
Owner's Manual
IPS LED MONITOR
(LED MONITOR*)
*LG LED Monitors are LCD Monitors with LED Backlighting.
2
ENG
ENGLISH
Contents
CONTENTS
20 USER SETTINGS
21 Customizing settings
21 - Menu Settings
21 - -Quick Settings
22 - -PBP
23 - -Picture
25 - -General
26 - -Reset
27 - -Game mode
29 TROUBLESHOOTING
31 SPECIFICATIONS
31 34UM57
32 Factory support mode
(HDMI/ DisplayPort)
32 HDMI Timing (Video)
32 Indicator
33 PROPER POSTURE
33 Proper Posture for Using the Monitor
3 LICENSE
4 ASSEMBLING AND
PREPARING
4 Product Components
5 Component and Button Description
6 - How to Use the Joystick Button
7 Moving and Lifting the Monitor
8 Installing the Monitor
8 - Assembling the stand base
8 - Using the cable holder
9 - Detaching the stand base
10 - Installing onto a table
11 - Adjusting the angle
12 - Using the Kensington lock
12 - Installing the wall mount plate
13 - Installing to a wall
14 USING THE MONITOR
14 Connecting to a PC
14 - DisplayPort connection
14 - HDMI connection
15 Connecting to AV Devices
15 - HDMI connection
15 Connecting to External Devices
15 - Connecting Headphones
16 INSTALLING THE LG
MONITOR SOFTWARE
16 Installing The Screen Split
18 Installing The Dual Controller
3
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ENGLISH
LICENSE
LICENSE
Each model has different licenses. Visit www.lg.com for more information on the license.
The terms HDMI and HDMI High-Definition Multimedia Interface, and the
HDMI logo are trademarks or registered trademarks of HDMI Licensing LLC
in the United States and other countries.
VESA, VESA logo, Display Port Compliance Logo and Display Port
Compliance Logo for dual-mode source are all registered trademarks of the
Video Electronics Standards Association.
The following content is only applied to the monitor which is sold in Europe market and which needs to meet
the ErP Directive:
* This monitor is set to be turned off automatically in 4 hours after you turned on display if there is no
adjustment to display.
* To make this setting be disabled, change the option to ‘Off’ in OSD menu of “Automatic Standby”.
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ASSEMBLING AND PREPARING
ASSEMBLING AND PREPARING
Product Components
Please check whether all the components are included in the box before using the product. If there are
missing components, contact the retail store where you purchased the product. Note that the product and
components may look different from those shown here.
y
Always use genuine components to ensure safety and product performance.
y
The product warranty will not cover damage or injury caused by the use of counterfeit components.
y
Note that the components may look different from those shown here.
y
Without prior notice, all information and specifications in this manual are subject to change to im-
prove the performance of the product.
y
To purchase optional accessories, visit an electronics store or online shopping site or contact the
retail store where you purchased the product.
y
The DisplayPort cable may not be available in some areas.
CAUTION
NOTE
CD(Owner's Manual) /
Card
OPTIONAL ACCESSORIES
The DisplayPort cable may not be
available in some areas.
Display Port Cable
HDMI Cable
( This cable is not in-
cluded in all countries. )
( Depending on the country )
( Depending on
the country )
Power Cord
AC-DC Adapter
AC-DC Adapter
or
Clear sheet
Stand Base
Stand Body
Screw Cover
Screws
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ENGLISH
ASSEMBLING AND PREPARING
Component and Button Description
Power Indicator
y
On: power is on
y
Off: power is off
Ports
(Power Button)
6
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ENGLISH
ASSEMBLING AND PREPARING
How to Use the Joystick Button
You can easily control the functions of the monitor by pressing the joystick button or moving it left/right with
your finger.
Basic Functions
Power on
Press the joystick button once with your finger to turn on the
monitor.
Power off
Press and hold the joystick button once with your finger to turn off
the monitor.
◄/►
Volume
Control
You can control the volume by moving the joystick button left/right.
y
The joystick button is located at the bottom of the monitor.
NOTE
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ASSEMBLING AND PREPARING
Moving and Lifting the Monitor
When moving or lifting the monitor, follow these
instructions to prevent the monitor from being
scratched or damaged and to ensure safe trans-
portation regardless of its shape or size.
y
As far as possible, avoid touching the moni-
tor screen. This may result in damage to the
screen or some of the pixels used to create
images.
y
It is advisable to place the monitor in the
original box or packing material before at-
tempting to move it.
y
Before moving or lifting the monitor, discon-
nect the power cord and all cables.
y
Hold the top and bottom of the monitor frame
firmly. Do not hold the panel itself.
y
When holding the monitor, the screen should
face away from you to prevent it being
scratched.
y
When moving the monitor, avoid any strong
shock or vibrations to the product.
y
When moving the monitor, keep it upright,
never turn the monitor on its side or tilt it
sideways.
CAUTION
y
If you use the monitor panel without the
stand base, its joystick button may cause
the monitor to become unstable and fall,
resulting in damage to the monitor or human
injury. In addition, this may cause the joystick
button to malfunction.
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ASSEMBLING AND PREPARING
Installing the Monitor
Assembling the stand base
y
To protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
2
Check the direction of the stand body
(front, back) and then mount the stand body
onto the stand hinge.
Tighten two screws into the back of the stand
body .
1
Place the screen face down.
Applying excessive force when tightening
the screws may cause damage to the moni-
tor. Damage caused in this way will not be
covered by the product warranty.
CAUTION
3
4
Attach the screw cover.
It may hurt your foot off the stand, so be
careful.
CAUTION
Stand Body
Stand Body
Stand Base
Stand Hinge
Attach the
Stand Base
to
Stand Body
.
Tighten the screw to the right.
1
2
Screws
Screw Cover
Using the cable holder
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ENGLISH
ASSEMBLING AND PREPARING
Detaching the stand base
2
Remove the screw cover.
y
To protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
y
Illustrations in this document represent typi-
cal procedures, so they may look different
from the actual product.
y
Do not carry the monitor upside down by just
holding the stand base. This may cause the
monitor to fall off the stand and could result
in personal injury.
y
When lifting or moving the monitor, do not
touch the monitor screen. Applying force or
pressure may damage the monitor screen.
Instead, hold the stand body or the plastic
frame of the product.
CAUTION
1
Place the screen face down.
3
Remove the two screws on the back of stand
body
.
As shown in the illustration, disconnect the
stand body from the stand hinge.
Stand Hinge
Screw cover
Stand Body
Stand Body
Stand Base
Turn the screw to the left.
Pull out the
Stand Base
.
4
1
2
y
The components in the illustrations may dif-
fer from the actual product.
y
Do not carry the monitor upside down, as this
may cause it to fall off its stand and result in
damage or injury.
y
To avoid damaging the screen when lifting
or moving the monitor, only hold the stand or
the plastic cover. This avoids putting unnec-
essary pressure on the screen.
CAUTION
10
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ENGLISH
ASSEMBLING AND PREPARING
Installing onto a table
1
Lift the monitor and place it on the table in an
upright position.
Place at least
10 cm
away from the wall to
ensure sufficient ventilation.
2
Connect the adapter to the monitor, then plug
the power cord into the power outlet.
10 cm
10 cm
10 cm
10 cm
29UM55
29UB55
or
3
Press the (Power) button on the bottom of
the monitor to turn it on.
y
Unplug the power cord prior to moving or
installing the monitor. There is risk of electric
shock.
CAUTION
11
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ENGLISH
ASSEMBLING AND PREPARING
Adjusting the angle
1
Place the monitor in an upright position, mount-
ed on the stand base.
2
Adjust the angle of the screen. The angle of the
screen can be adjusted forwards or backwards
for a comfortable viewing experience.
Front Side
Rear Side
y
To avoid injury to the fingers when adjusting
the screen, do not hold the lower part of the
monitor's frame as illustrated below.
WARNING
y
Be careful not to touch or press the screen
area when adjusting the angle of the monitor.
02 5-
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ASSEMBLING AND PREPARING
Installing the wall mount plate
This monitor supports the specification of the stan-
dard wall mount plate or compatible device.
1
Place the screen face down. To protect the
screen from scratches, cover the surface with a
soft cloth.
2
Attach the clear sheet to the back of the moni-
tor and align it with the screw holes.
3
Place the wall mount plate onto the monitor
and align it with the screw holes.
4
Tighten the four screws to fix the plate to the
monitor using a screwdriver.
y
The wall mount plate is sold separately.
y
For more information on installation, refer to
the wall mount plate's installation guide.
y
Be careful not to use excessive force when
mounting the wall mount plate, as this can
damage the monitor's screen.
NOTE
y
Use of the Kensington lock is optional.
The accessories can be purchased at
your local electronics store.
NOTE
Using the Kensington lock
The Kensington security system connector is locat-
ed at the back of the Monitor set.
For more information on installation and usage,
refer to the Kensington lock user manual or visit
the website at http://www.kensington.com.
Connect the Kensington security system cable
between the Monitor set and a table.
Clear sheet
(PET sheet)
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ASSEMBLING AND PREPARING
To install the monitor to a wall, attach a wall mount-
ing bracket (optional) to the back of the monitor.
Make sure that the wall mounting bracket is securely
fixed to the monitor and to the wall.
1 If you use screw longer than standard, the moni-
tor might be damaged internally.
2 If you use improper screw, the product might be
damaged and drop from mounted position.
In this case, LG Electronics is not responsible
for it.
Installing to a wall
Install the monitor at least 10 cm away from the
wall and leave about 10 cm of space at each side
of the monitor to ensure sufficient ventilation. De-
tailed installation instructions can be obtained from
your local retail store. Please refer to the manual
to install and set up a tilting wall mounting bracket.
10 cm
10 cm
10 cm
10 cm
y
Unplug the power cord before moving or in-
stalling the monitor to avoid electric shocks.
y
Installing the monitor on the ceiling or on a
slanted wall may result in the monitor falling
off, which could lead to injury. Please use
the genuine LG wall mounting bracket. For
more information, contact your local retail
store or a qualified installer.
y
Applying excessive force when fastening
screws may cause damage to the moni-
tor. Damage caused in this way will not be
covered by the product warranty.
y
Use the wall mounting bracket and screws
that conform to the VESA standard. Dam-
age caused by the use or misuse of inap-
propriate components will not be covered
by the product warranty.
y
Screw length from outer surface of back
cover should be under 8mm.
y
Use the screws specified by the VESA stan-
dard.
y
The wall mount kit includes the installation
guide and all necessary parts.
y
The wall mounting bracket is optional. The
accessories can be purchased at your local
retail store.
y
The length of the screw may differ for each
wall mounting bracket. Ensure the correct
length screw is used.
y
For more information, please refer to the
user manual for the wall mounting bracket.
CAUTION
NOTE
Wall mount Pad
Wall mount Pad
Back Cover
Back Cover
Standard screw
Max.8mm
y
Wall Mount (A x B)
A
B
Model
Wall Mount
(A x B)
100 x 100
Standard
screw
M4 x L10 M4 x L10
Number of
screws
4 4
Wall Mount
Plate
(Optional)
RW120 LSW140
34UM57
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USING THE MONITOR
USING THE MONITOR
Connecting to a PC
y
This monitor supports the *Plug and Play
feature.
*Plug and Play: A feature that allows you to
add a device to your computer without having
to reconfigure anything or install any manual
drivers.
y
There may be no video or audio output de-
pending on the DP version of the PC.
y
The DisplayPort cable may not be available
in some areas.
DisplayPort connection
Transmits the digital video and audio signals from
your PC to the monitor. Connect your PC to the
monitor using the display port cable as illustrated
below.
Press the menu button and then select the input
option from the input menu.
NOTE
(sold separately)
HDMI connection
Transmits the digital video and audio signals from
your PC and A/V devices to the monitor. Connect
your PC and AV device to the monitor with the
HDMI cable as illustrated below.
Press the menu button and then select the input
option from the input menu.
NOTE
y
If you use HDMI PC, it can cause compatibility
problem.
y
Use a certified cable with the HDMI logo
attached. If you do not use a certified HDMI
cable, the screen may not display or a
connection error may occur.
y
Recommended HDMI cable types
- High-Speed HDMI
®
/
TM
Cable
- High-Speed HDMI
®
/
TM
Cable with Ethernet
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USING THE MONITOR
Connecting to AV Devices
HDMI connection
Transmits the digital video and audio signals from
your PC and A/V devices to the monitor. Connect
your PC and AV device to the monitor with the
HDMI cable as illustrated below.
Press the menu button and then select the input
option from the input menu.
NOTE
y
If you use HDMI PC, it can cause compatibility
problem.
y
Use a certified cable with the HDMI logo
attached. If you do not use a certified HDMI
cable, the screen may not display or a
connection error may occur.
y
Recommended HDMI cable types
- High-Speed HDMI
®
/
TM
Cable
- High-Speed HDMI
®
/
TM
Cable with Ethernet
Connecting to External Devices
(sold separately)
Connecting Headphones
Connect peripherals to the monitor via the head-
phones port. Connect as illustrated.
y
Peripheral devices are sold separately.
y
If you use angled earphones, it may cause
a problem with connecting another external
device to the monitor. Therefore, it is recom-
mended to use straight earphones.
Angled Straight
y
Depending on the audio settings of the PC
and external device, headphones and speaker
functions may be limited.
NOTE
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INSTALLING LG Monitor Software
INSTALLING THE LG MONITOR SOFTWARE
Installing The Screen Split
1
Set the default Web browser to Internet
Explorer.
Insert the software CD included in the product packaging into your PC's CD drive and install the Screen
Split.
The installation screen images are for reference only. The actual installation screen images may vary de-
pending on the model.
2
Click the "Screen Split" on the CD's main
screen. When the file download window
appears, click the Run button. (The file
download window may vary depending on the
operating system and the Internet Explorer
version, but the installation procedures are
same.)
y
Service Pack 1 or higher is required for
Windows 7 & Windows 8.
3
Follow the instructions to proceed with the
installation.
4
Check "I accept the terms of the agreement" on
the License Agreement screen and then click
the [Next] button.
CAUTION
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ENGLISH
INSTALLING LG Monitor Software
NOTE
If you run Screen Split, the Screen Split icon [
] appears in the system tray at the right bottom of
the PC screen.
Right-click the Screen Split icon and select a
layout you want.
6
When the installation is complete, restart your
system.
5
The Screen Split installation starts as shown
below.
y
Screen Split: This program automatically
splits the program window as desired.
Monitor Selection only supported in extend
display.
This program supported Windows 7 &
Windows 8.
NOTE
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INSTALLING LG Monitor Software
Installing The Dual Controller
1
Set the default Web browser to Internet
Explorer.
2
Click the "Dual Controller" on the CD's main
screen. When the file download window
appears, click the Run button. (The file
download window may vary depending on the
operating system and the Internet Explorer
version, but the installation procedures are
same.)
y
Service Pack 1 or higher is required for
Windows 7 & Windows 8.1.
3
Follow the instructions to proceed with the
installation.
4
Check "I accept the terms of the agreement" on
the License Agreement screen and then click
the [Next] button.
CAUTION
5
Click the install button.
Insert the software CD included in the product packaging into your PC's CD drive and install the Dual Con-
troller.
The installation screen images are for reference only. The actual installation screen images may vary de-
pending on the model.
19
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INSTALLING LG Monitor Software
NOTE
If you run Dual Controller, the Dual Controller icon
[ ] appears in the system tray.
Click the
Dual Controller
icon and select a layout
you want.
7
When the installation is complete, restart your
system.
6
The Dual Controller installation starts as shown
below.
20
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ENGLISH
User Settings
Button Menu Status Description
Main menu disabled
Enables the main menu.
Main menu enabled
Exits the main menu.
(Holding down the button to turn off the monitor. You can turn off
the monitor this way at any time, including when the OSD is on.)
◄
Main menu disabled
Adjusts the monitor volume level.
Main menu enabled
Enters the menu features.
►
Main menu disabled
Adjusts the monitor volume level.
Main menu enabled
Enters the PBP feature.
▲
Main menu disabled
Enables the main menu.
Main menu enabled
Enters the game mode feature.
▼
Main menu disabled
Enables the main menu.
Main menu enabled
Turns off the monitor.
Main Menu Features
Main Menu Description
Menu
Configures the screen settings.
Game Mode
Optimizes the screen for game mode.
PBP
Displays the screens of two input modes on one
monitor.
Monitor off
Turns off the monitor.
Exit
Exits the main menu.
USER SETTINGS
Activating the Main Menu
1
Press the joystick button on the bottom of the monitor.
2
Move the joystick up/down (▲/▼) and left/right(◄/►) to set the options.
3
Press the joystick button once more to exit the main menu.
Joystick Button
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